> On May 9, 2020, at 12:13, Gabriel Zachmann via Cocoa-dev > <cocoa-dev@lists.apple.com> wrote: > > Would that really make the background (worker) thread execute all that > internal copying/decoding of images in the *background* thread? > > I am asking because, currently, all this stuff gets executed in the main > thread invoked by some observer. > And, after all, even a background thread eventually has to put the new image > in the layer hierarchy, which, I fear, will cause the heavy lifting to be > done by the main thread, again.
The point is, yes, the worker thread would be handling the image manipulation to resize it to something that lets the main drawing thread work more efficiently. Steve via iPad _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com